Symptoms of hydrocephalus

Written by Chen Yu Fei
Neurosurgery
Updated on September 29, 2024
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For patients with hydrocephalus, it often leads to a series of symptoms and signs. For example, patients may experience mild cognitive impairments, manifesting as obvious memory loss, reduced intelligence, and weakened orientation ability in terms of time, space, and person recognition. In addition, most patients also suffer from motor dysfunction, showing symptoms like weakness in one or both legs, difficulty walking, unstable gait, and a tendency to fall. Some patients might even experience changes in emotion and personality. As the condition of cerebral hemorrhage gradually progresses, patients may exhibit symptoms of increased intracranial pressure.

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Written by Chen Yu Fei
Neurosurgery
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Symptoms of hydrocephalus in children

For pediatric hydrocephalus, a range of specific symptoms and signs will appear. For instance, children may repeatedly complain of headaches, dizziness, nausea, vomiting, accompanied by a strong sense of vertigo. Through physical examination, it can be found that the head circumference of the child is significantly larger than that of normal children, with the anterior fontanelle full and bulging. Special physical examinations may reveal the presence of a sunset sign or a cracked pot sound. In addition, some children may exhibit certain levels of cognitive dysfunction, lower intellectual development, significantly lagging behind peers, and they might also show instability in walking, swaying back and forth, prone to falling, or even experience urinary and fecal incontinence.

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Written by Jiang Fang Shuai
Neurosurgery
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Causes of Hydrocephalus

Under normal conditions, the secretion, circulation, and absorption of cerebrospinal fluid (CSF) maintain a dynamic balance. In some pathological states, this balance is disrupted, leading to an excessive accumulation of CSF within the ventricular system, a condition known as hydrocephalus. Hydrocephalus can be classified into obstructive hydrocephalus and communicating hydrocephalus. The causes of obstructive hydrocephalus mainly include obstructions in the ventricular system, such as congenital malformations or abnormal development of the cerebral aqueduct, which are the most common causes of hydrocephalus in infants. In adults, tumors, bleeding, blockages, or compression of the ventricular system are also common causes of hydrocephalus. Communicating hydrocephalus results primarily from acquired diseases, such as cranial infections or blockages of arachnoid granulations by subarachnoid hemorrhage, leading to impairments in CSF absorption.

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Written by Shu Zhi Qiang
Neurosurgery
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What is hydrocephalus shunt?

Patients with hydrocephalus usually require shunt surgery, among which the most common is the ventriculoperitoneal shunt. The shunt tube used in this surgery typically features a reservoir, often referred to by patients as a "water basket". Patients are frequently required to press this reservoir to promote the excess cerebral spinal fluid to flow through the shunt tube into the abdominal cavity, where it is absorbed by the omentum. If the reservoir is not pressed, the shunt tube may become blocked, potentially requiring the surgery to be performed again.

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Written by Gao Yi Shen
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How to deal with hydrocephalus?

The treatment of hydrocephalus must clearly identify the severity of the condition. Hydrocephalus can be categorized into acute and chronic types. In cases of acute hydrocephalus, emergency ventricular puncture drainage surgery is required, otherwise, it may cause brain herniation leading to death. For chronic hydrocephalus, it is crucial to distinguish whether it is communicating hydrocephalus or obstructive hydrocephalus. For obstructive hydrocephalus, treatment options include creating a patency in the cerebral aqueduct and third ventriculostomy. For other types of hydrocephalus, ventriculoperitoneal shunt surgery can be performed. Therefore, it is essential to clearly determine the type of hydrocephalus to fundamentally select the appropriate surgical methods and instruments.

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Written by Jiang Fang Shuai
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Hydrocephalus Clinical Manifestations

In adults, hydrocephalus can be of the normal pressure type, mainly characterized by unsteady gait, slow responses, urinary and fecal incontinence, among others. There is also high-pressure hydrocephalus, which mainly presents as increased intracranial pressure, with the most common symptoms being headache, vomiting, papilledema, and ataxia. In children and infants, hydrocephalus has its own characteristics. In addition to some of the adult symptoms, there are also anomalies such as an abnormally increased head size, bulging fontanelles, "sunset" eye sign, intellectual and cognitive impairments, decreased vision, visual field defects, decreased hearing, epilepsy seizures, and more.